The 2017 Mazda CX-9 is available as a 4-door, 7-seat sport utility. Starting at $31,520, the 2017 Mazda CX-9 Sport FWD is powered by a 2.5L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 28-mpg on the highway. The top of the line 2017 Mazda CX-9 Signature AWD, priced at $44,315, is powered by a 2.5L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 26-mpg on the highway.